376 results about "Potassium feldspar" patented technology

The invention discloses a matte glaze and a preparation method thereof. The matte glaze comprises the following components by weight: 1-5 parts of zinc oxide, 5-15 parts of barium carbonate, 0-15 parts of zirconium silicate, 10-25 parts of potassium feldspar, 10-20 parts of kaolin, 5-15 parts of calcite, 5-15 parts of calcined talcum powder, 20-35 parts of a matte frit and 0.5-1 part of an additive. Specifically, the matte frit comprises the following components by weight: 30-50 parts of SiO2, 15-20 parts of Al2O3, 0.01-0.5 part of Fe2O3, 3-10 parts of CaO, 0.5-5 parts of MgO, 1-5 parts of K2O, 3-10 parts of Na2O, 3-10 parts of ZnO, 0.1-1 part of B2O3 and 10-25 parts of BaO. By introducing the matte frit, the melting temperature of the formula is lowered, the firing range of the formula isbroadened, and the glaze texture achieves a fine matte effect.

The invention discloses a fluoride salt-free nitrate-free cast iron enamel semitransparent glaze as well as a preparation method and application thereof, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, anhydrous borax, sodium carbonate, potassium carbonate, calcium carbonate, potassium feldspar, zinc oxide, lithium carbonate, zirconium silicate, titanium dioxide, aluminum oxide, trisodium phosphate, antimony oxide, magnesium carbonate and barium carbonate according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and low-temperature firing adaptability, and is suitable for cast iron matrixes, the firing temperature is 740-760 DEG C, and the firing time is 2-3 hours. The method can be used for producing green and environment-friendly enamel products.

The invention discloses double-layer fancy glaze with chapped ground texture and a preparation method of the double-layer fancy glaze, and relates to the technical field of ceramic glaze. The double-layer fancy glaze is composed of a ground glaze layer and a cover glaze layer. The ground glaze raw materials comprise potassium feldspar, kaolin, calcite, quartz, dolomite, zinc oxide and pigment; the cover glaze raw materials comprise potassium feldspar, waste porcelain powder, blank powder, chinastone, limestone, sepiolite, quartz, zirconium silicate with the particle size D50 being less than or equal to 1.0 mu m and pigment. The preparation method comprises the following steps: respectively carrying out ball milling to prepare ground glaze slip (32-40 baume degrees) and cover glaze slip (51-53 baume degrees); spraying ground glaze on the green body, drying, and then soaking with cover glaze; and finally, sintering at the temperature of 1250-1270 DEG C in a reducing atmosphere. Through the synergistic effect of the sepiolite and other components, the cover glaze has high surface tension, forms a microcrack network during drying, generates controllable glaze shrinkage during firing, forms a three-dimensional chap texture with crack width of 1-5mm and strong curled and raised crack edges, and meanwhile, the ground glaze completely covers a green body, so that the product practicability is ensured.

The invention discloses fluoride-salt-free and nitrate-free medium-temperature semitransparent glaze for steel plate enamel as well as a preparation method and application of the medium-temperature semitransparent glaze, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, potassium feldspar, anhydrous borax, sodium carbonate, titanium dioxide, monopotassium phosphate and zinc oxide according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and firing adaptability, is suitable for a steel plate matrix, has the firing temperature of 800-840 DEG C and the firing time of 20-30 minutes, and is suitable for a steel plate. The method can be used for producing green and environment-friendly enamel products.

The invention provides a sound-insulation porous ceramic tile and a preparation method thereof, and belongs to the field of building materials. The sound-insulation porous ceramic tile is prepared from the following raw materials: 20 to 30 parts of kaolin, 18 to 22 parts of quartz sand, 12 to 18 parts of potassium feldspar, 3 to 7 parts of talcum powder, 3 to 7 parts of silicon carbide powder, 2 to 4 parts of ferrosilicon alloy powder, 0.5 to 1.5 parts of sodium bicarbonate, 3 to 5 parts of hollow glass beads, 1 to 3 parts of zirconium oxide microspheres, 1 to 3 parts of silicon dioxide aerogel particles, 3 to 5 parts of acrylate emulsion, 1 to 3 parts of butadiene styrene rubber emulsion, 0.5 to 1.5 parts of polyvinyl alcohol solution and 1 to 2 parts of polyurethane dispersion. The composite material comprises the following components in parts by weight: 30-60 parts of polypropylene, 0.3-0.7 part of a dispersing agent, 0.2-0.4 part of a defoaming agent, 0.8-1.6 parts of reinforced fibers and 9-13 parts of deionized water. The raw materials of the porous ceramic tile are reasonably designed, the sound insulation performance of the porous ceramic tile is improved, and full-band efficient sound insulation is achieved.

The invention discloses a fluoride-salt-free and nitrate-free cast iron enamel zirconium white glaze as well as a preparation method and application thereof, and belongs to the technical field of enamel. The zirconium white glaze is prepared from quartz, borax pentahydrate, magnesium carbonate, potassium carbonate, potassium feldspar, zinc oxide, aluminum hydroxide, calcium carbonate, zirconium silicate, sodium tripolyphosphate and lithium carbonate according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The zirconium white glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, and meanwhile, the zirconium white glaze has good porcelain surface, luster and firing adaptability, is suitable for cast iron matrixes, has the firing temperature of 740-760 DEG C and the firing time of 87-87 hours, and can be widely applied to cast iron substrates. The method can be used for producing green and environment-friendly enamel products.

The invention relates to the technical field of welding materials, and particularly discloses a high-temperature-resistant flux-cored wire containing rare earth elements and a preparation method of the high-temperature-resistant flux-cored wire. The high-temperature-resistant flux-cored wire containing the rare earth elements comprises a welding wire skin and a flux core. The flux core comprises the following raw materials of dehydrated rutile, dehydrated potassium feldspar, zircon sand, metal chromium powder, metal nickel powder, electrolytic manganese, ferrotitanium, ferro-aluminum, potassium cryolite, potassium titanate, sodium titanate, fine iron powder, yttrium-based iron alloy powder, atomized ferrosilicon, nitrided ferrochrome, bismuth oxide, auxiliaries and the balance reduced iron powder. The auxiliary agent is a mixture of a zirconium-iron alloy, a titanium-iron alloy and an aluminum-magnesium alloy. A specific alloy auxiliary is introduced into the flux core to protect stable transition of rare earth yttrium, yttrium and multiple components synergistically optimize the weld joint performance, 253MA heat-resistant steel is matched, slag and electric arc regulation and control components and a reasonable process are matched, and the welding quality of the welding wire is improved.

The invention discloses fluoride-salt-free and nitrate-free low-temperature pearlescent glaze for steel plate enamel as well as a preparation method and application of the pearlescent glaze, and belongs to the technical field of enamel. The pearlescent glaze is prepared from quartz, anhydrous borax, titanium dioxide, magnesium carbonate, sodium tripolyphosphate, potassium carbonate, lithium carbonate, potassium feldspar, zinc oxide and V-26 according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The pearlescent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the pearlescent glaze has good porcelain surface, luster and low-temperature firing adaptability, is suitable for a steel plate matrix, has the firing temperature of 760-800 DEG C and the firing time of 10-20 minutes, and is suitable for a steel plate. The method can be used for producing green and environment-friendly enamel products.

The present application relates to the technical field of ceramics, and particularly relates to a ceramic handicraft, which comprises a porcelain blank and a blank glaze applied to the surface of the porcelain blank, wherein the porcelain blank is composed of the following raw materials in parts by weight: fly ash 40-50 parts, potassium feldspar 10-20 parts, sodium feldspar 5-10 parts, black clay 8-10 parts, soda 20-25 parts, talc 1-3 parts, and waste porcelain powder 3-5 parts; and the blank glaze is composed of the following raw materials in parts by weight: quartz 40-60 parts, high-quality kaolin 10-15 parts, wollastonite 18-20 parts, waste porcelain powder 10-15 parts, potassium feldspar 6-10 parts, sodium feldspar 3-5 parts, calcined talc 3-5 parts, and zirconium-iron red agent 1-2 parts; the content of SiO2 and Al2O3 in the fly ash is more than 80 wt%, and the fly ash contains a small amount of Fe2O3, MgO and CaO; the present application solves the problem that the weight of the porcelain blank of the existing ceramic handicraft is heavy, and the industrial waste raw materials cannot be introduced in large quantities to manufacture the porcelain blank, and the resource utilization rate is poor; compared with the prior art, the glaze surface gloss of the present application is moderate, and the ceramic handicraft is beneficial to decoration and placement under a light source.

The invention discloses a preparation method of a three-dimensional split-phase fancy glaze for coal gangue ceramic body decoration, the three-dimensional split-phase fancy glaze comprises a ground glaze and a cover glaze, the cover glaze comprises the following raw materials by weight: 15-20% of quartz, 10-15% of calcite, 5-10% of kaolin, 5-10% of zinc oxide, 10-15% of calcium phosphate, 25-30% of potassium feldspar, 2-5% of calcium borate, 5-10% of tin dioxide, 3-5% of spodumene, and 2-5% of a coloring oxide; the ground glaze is prepared from the following raw materials in percentage by weight: 15-20% of quartz, 10-15% of wollastonite, 5-10% of kaolin, 10-15% of zinc oxide, 15-20% of calcium phosphate, 15-20% of spodumene, 5-10% of titanium dioxide, 5-10% of calcium borate, 2-5% of coal gangue and 2-5% of coloring oxide, and the product is obtained through raw material preparation, glazing and sintering. The prepared three-dimensional split-phase fancy glaze is simple in process, high in adaptability, unique in effect and wide in market prospect.

The invention relates to the technical field of building ceramics, in particular to waxy antifouling matte glaze and a preparation method and application thereof.The waxy antifouling matte glaze is prepared from, by mass, 7-10 parts of kaolin, 6-15 parts of calcined kaolin, 4-8 parts of quartz, 20-30 parts of potassium feldspar, 5-15 parts of albite, 5-10 parts of wollastonite, 1-5 parts of zinc oxide, 5-10 parts of strontium carbonate, 5-12 parts of barium carbonate and 10-20 parts of crystalline frit; the crystalline frit is prepared from the following raw materials in parts by mass: 25 to 35 parts of kaolin, 3 to 8 parts of calcined aluminum oxide, 20 to 35 parts of calcite, 0.5 to 3 parts of dolomite, 5 to 10 parts of zinc oxide, 25 to 35 parts of potassium feldspar, 0.5 to 3 parts of barium carbonate and 1 to 5 parts of anorthite powder. The waxy antifouling matte glaze provided by the invention not only has antifouling performance, but also has high hardness and high wear resistance on the premise of having matte texture and waxy silky hand feeling, so as to overcome the defects in the prior art.

The invention relates to the technical field of mineral separation, and provides a segmented enrichment and recovery method for lithium-containing porcelain clay ore co-associated with rubidium and cesium, which comprises the following steps: grinding the lithium-containing porcelain clay ore to obtain ground ore pulp; the ore grinding pulp is subjected to sedimentation desliming, and settled sand and slime are obtained; the settled sand is subjected to size mixing, and to-be-separated ore pulp is obtained; lepidolite flotation is conducted on the to-be-separated ore pulp through a lepidolite collecting agent, and lithium separation tailings and lepidolite concentrate containing rubidium and cesium are obtained; carrying out potassium feldspar flotation on the lithium separation tailings by adopting a potassium feldspar collecting agent to obtain re-separation tailings and potassium feldspar concentrate containing rubidium and cesium; and fluoride-free separation of feldspar and quartz is conducted on the recleaning tailings, and feldspar concentrate and quartz concentrate are obtained. According to the segmented enrichment and recovery method provided by the invention, comprehensive utilization of co-associated rubidium and cesium in the ore can be realized to the greatest extent while the recovery of the main utilization mineral lepidolite is preferentially ensured, and qualified feldspar products and quartz products are obtained.

The invention relates to a high-Ni alloy flux-cored wire for 9% Ni steel welding, which is prepared by coating a flux core with a nickel-based steel strip, and the flux core comprises the following components in percentage by weight: 18.0-30.0% of metal nickel powder, 5.0-8.0% of metal chromium powder, 5.0-9.0% of metal molybdenum powder, 1-2% of metal tungsten powder, 20.0-30.0% of rutile, 1.0-3.0% of quartz, 2.0-5.0% of albite, 1.0-3.0% of potassium feldspar, 0.5-3.0% of mica, 1.0-4.0% of cryolite, 0.2-0.8% of self-made raw material and the balance of reduced iron powder and inevitable impurities. The flux-cored wire belongs to a hastelloy system and is particularly suitable for welding of horizontal position welding and vertical position welding of the marine LNG storage tank, the mechanical performance of cladding metal of the flux-cored wire can reach 50 J or above at the low-temperature impact of-196 DEG C, the tensile strength is larger than 700 MPa, and the flux-cored wire is excellent in crack resistance and comprehensive performance.

The invention relates to the technical field of building glazed tiles, in particular to an antibacterial glazed tile and a preparation method thereof.The antibacterial glazed tile comprises a green body layer and an antibacterial glaze layer which are sequentially arranged from bottom to top; wherein the antibacterial glaze layer is obtained by calcining antibacterial glaze; the antibacterial glaze is prepared from the following raw materials: high-temperature antibacterial frit, calcined kaolin, corundum, quartz, dolomite, calcined talc, strontium carbonate, wollastonite, potassium feldspar and albite; the high-temperature antibacterial frit is prepared from the following raw materials: zirconium silicate, a silver antibacterial agent, calcined aluminum oxide, calcined talc, quartz, wollastonite, kaolin, calcium phosphate, potassium feldspar, albite, boric acid and lithium carbonate. According to the antibacterial glazed tile and the preparation method thereof provided by the invention, the formula of the antibacterial glaze is optimized, so that the antistatic property and the corrosion resistance can be improved on the premise of ensuring the antibacterial property of the antibacterial glazed tile.

The invention relates to the technical field of building ceramics, in particular to hydrophilic self-cleaning glaze, a hydrophilic self-cleaning ceramic tile and a preparation method thereof.The hydrophilic self-cleaning glaze is prepared from, by mass, 6%-18% of albite, 8%-16% of potassium feldspar, 8%-12% of calcite, 7%-11% of calcium hydroxide, 8%-12% of barium carbonate, 20%-34% of quartz, 1%-3% of nanometer silica sol, 8%-12% of kaolin, 4%-8% of aluminum hydroxide and 1%-3% of zinc oxide. According to the hydrophilic self-cleaning glaze provided by the invention, on the premise of reducing the production cost, not only can excellent and lasting hydrophilic self-cleaning performance be realized, but also the antifouling performance and high transparency can be ensured, and the technical problems of poor hydrophilic self-cleaning durability and high production cost in the prior art are solved.

The invention belongs to the technical field of ceramic high-temperature-resistant materials, and particularly relates to a clay-added waste ceramic-based high-temperature-resistant material as well as a preparation method and application thereof. The waste ceramic-based high-temperature-resistant material added with the clay is prepared by firing waste high-voltage electric porcelain, waste 95 porcelain, the clay, potassium feldspar and silica sol in a mass ratio of (65-75): (10-30): (5-20): (14-16): (7-9). Wherein the particle size of the waste high-voltage electric porcelain is 55 to 65 meshes or 120 to 200 meshes. According to the waste ceramic-based high-temperature-resistant material added with the clay, the solid waste mixing amount is larger than 85 wt%, the breaking strength is 87 MPa, and compared with samples of the same type at the same temperature, the breaking strength is improved by about one time. The clay-added waste ceramic-based high-temperature-resistant material has the triple advantages of high strength, low porosity and slag corrosion resistance, and has wide application prospects in the fields of kiln linings, thermal supports and refractory components in the metallurgy / energy industry.

The invention discloses ceramic filler powder and a preparation method of porous ceramic, and relates to the technical field of ceramic. According to the invention, the raw material components are reasonably proportioned, and the superfine SiC-coated MgAl-LDH compound is used as an additive to be mixed with kaolin, potassium feldspar, quartz, aluminum oxide, silicon carbide and talc to prepare the ceramic filler powder. On the basis, the prepared ceramic filler powder is mixed with carboxymethyl cellulose, polyvinyl alcohol, water glass, magnesium stearate and water, then the mixture is subjected to filter pressing, vacuum pugging and aging, and then the porous ceramic is prepared through a forming process and a sintering process. The porous ceramic prepared from the ceramic filler powder provided by the invention has better compressive strength and corrosion resistance, is beneficial to expanding the application field of products, and particularly meets the requirements of high-end industries.

The invention relates to the technical field of coatings, and discloses a waterproof composite coating for a non-stick pan and a preparation method of the waterproof composite coating, the composite coating sequentially comprises a transition bonding layer, a waterproof blocking layer and a surface non-stick layer from inside to outside, and each layer is prepared from raw materials in a specific proportion. The transition bonding layer takes titanium carbide, potassium feldspar and the like as main raw materials, the waterproof blocking layer comprises bisphenol A epoxy resin, modified tea polyphenol and the like, and the surface non-stick layer takes polytetrafluoroethylene as a core. The preparation method sequentially comprises the steps of substrate pretreatment, transition bonding layer preparation, waterproof barrier layer preparation and surface non-sticky layer preparation, and the process is simple and controllable. The composite coating has excellent waterproof performance, firm binding force with a base body and good non-stick performance, the service life of the non-stick pan can be effectively prolonged, health risks caused by coating damage are reduced, and the composite coating is suitable for large-scale production.

This invention provides a method for activating and extracting potassium from potassium feldspar, the method comprising the following steps: (1) ball milling potassium feldspar raw material to obtain pre-activated potassium feldspar powder; the pre-activated potassium feldspar powder is in a near-amorphous state; (2) mixing the pre-activated potassium feldspar powder with an alkaline solution and performing a stirring transformation reaction, followed by a first solid-liquid separation to obtain a transformed solid product; the Si / K molar ratio of the main phase of the transformed solid product does not exceed 2.5; the phase composition of the transformed solid product includes garnet and / or nepheline; (3) mixing the transformed solid product with an acid solution and performing a second solid-liquid separation to obtain a potassium-rich leachate. This invention utilizes a stirring transformation reaction with a mixed alkaline solution to restructure potassium feldspar minerals, increasing the reactivity of potassium, and then dissolving potassium with acid to ultimately obtain a potassium-rich leachate, which is beneficial for further recycling.

This invention discloses a high-strength ceramic valley-peak structured corrugated filler, the raw materials of which include clay, kaolin, potassium feldspar powder, cordierite powder, zirconium dioxide powder, reinforcing granular powder, bauxite, and a binder. The corrugated filler material prepared by the method described in this invention has good strength, making it less prone to breakage during stacking or use, thus improving the usability and durability of the corrugated filler.

The invention discloses high-temperature underglaze Chinese red glaze as well as a preparation method and application thereof, and belongs to the technical field of ceramic high-temperature underglaze colored glaze materials. The high-temperature underglaze Chinese red glaze comprises a high-temperature red pigment, a glaze matrix and related additives, wherein the high-temperature red pigment comprises a base material and a coloring element and is a core coloring component of the Chinese red glaze; the glaze matrix comprises potassium feldspar, muscovite, quartz sand, boric acid and wollastonite, and can be fused at high temperature to form a transparent or semitransparent vitreous layer to wrap and protect the pigment and provide good glaze gloss and flatness at the same time; related additives comprise a shaping agent, a dispersing agent and a mineralizing agent, and the colored glaze processing property can be improved. In addition, the invention further provides a preparation method and a sintering process of the high-temperature underglaze Chinese red glaze, Chinese red can be sintered at the temperature of 1300-1400 DEG C, the glaze color is bright, the chroma is full, the color is normal, darkening and blackening are avoided, and the high artistic value and process practicability are achieved.

The application relates to the technical field of welding materials, and particularly discloses a high-temperature-resistant flux-cored wire containing rare earth elements and a preparation method thereof. The high-temperature-resistant flux-cored wire containing rare earth elements comprises a wire sheath and a core; the core comprises the following raw materials: dehydrated rutile, dehydrated potassium feldspar, zircon sand, metal chromium powder, metal nickel powder, electrolytic manganese, ferrotitanium, aluminiferous iron, potassium cryolite, potassium titanate, sodium titanate, iron powder, yttrium-based iron alloy powder, atomized ferrosilicon, chromium-iron nitride, bismuth oxide, an additive, and the balance of reduced iron powder; the additive is a mixture of zirconium-iron alloy, ferrotitanium alloy and aluminum-magnesium alloy. The application introduces a specific alloy additive into the core to protect the transition of the rare earth yttrium, optimizes the welding performance of the yttrium and multiple components in cooperation, matches the 253MA heat-resistant steel, adjusts the components of the molten slag and the electric arc, and reasonably processes the technology, so that the welding quality of the wire is improved.

The invention discloses a method for preparing lightweight porous adsorption ceramsite by using boiler ash and waste biomass, which comprises the following steps: S1, pretreating the raw materials boiler ash, potassium feldspar, coconut shell and soybean residue, and uniformly mixing to obtain a mixed material; s2, deionized water with the volume ratio of 10%-20% is added into the mixed material obtained in the step S1, then pelletizing and drying are conducted in sequence, and ceramsite to be sintered is obtained; and S3, putting the ceramsite to be sintered obtained in the step S2 into an atmosphere furnace, firstly raising the temperature from 50 DEG C to a preheating temperature of 400-600 DEG C, preserving heat for 20-40 minutes, then continuously raising the temperature to a sintering temperature of 1110-1170 DEG C, preserving heat for 20-40 minutes, and then cooling along with the furnace to obtain the lightweight porous adsorption ceramsite. According to the method, the performance of the ceramsite is improved, the shortage of traditional raw materials is relieved, high-valued resource utilization of the industrial solid waste can be achieved, the environmental risk of boiler ash stockpiling is reduced, double contributions are made to environmental protection and economic benefits, and the synergistic win-win situation of the economic benefits and the environmental benefits is achieved.

The application relates to the technical field of ceramic products, in particular to a preparation process of high-performance ceramic products made of environment-friendly foamed snowflake glaze, which comprises the following steps: wet ball milling 10-15 parts by weight of kaolin, 8-12 parts by weight of aluminum oxide, 4-7 parts by weight of clay and 2-3 parts by weight of potassium feldspar sufficiently, then shaping, and then sintering at a temperature of 500-520 DEG C for 1 h to obtain a bottom base body. The ceramic product is made by heat treatment of the bottom base body matched with the snowflake glaze, the snowflake glaze is made by mixing raw materials such as base glaze, foaming agent and snowflake crystal nucleus agent, the snowflake crystal nucleus agent is preheated by nano titanium dioxide, and then is improved by an auxiliary liquid, the lanthanum oxide, hydroxyapatite, sodium alginate solution and aluminum dihydrogen phosphate in the auxiliary liquid are coordinated with each other, and the heat insulation, skid resistance and antibacterial property of the system are optimized.

The invention discloses heat-resistant and impact-resistant environment-friendly ceramic and a preparation method thereof, and relates to the technical field of household ceramic. The ceramic material is prepared from the following components in parts by weight: 20-50 parts of kaolin, 5-20 parts of potassium feldspar, 5-20 parts of albite, 3-12 parts of medical stone, 2-8 parts of spinel, 15-30 parts of nano titanium dioxide, 6-12 parts of modified tantalum carbide whiskers, 4-10 parts of hollow glass beads, 2-5 parts of lithium chloride and 1-3 parts of a silane coupling agent. By introducing the specially modified tantalum carbide whisker, the problem of whisker dispersion is solved during low-temperature mixing, and firm interface bonding is constructed in situ during high-temperature sintering, so that the toughening potential of the whisker is completely excited, and the ceramic is endowed with excellent heat resistance and impact resistance; meanwhile, the formula is integrally synergetic, the energy-saving characteristic of low-temperature sintering and the environment-friendly characteristic of photocatalytic self-cleaning are achieved, and unification of high performance and environment friendliness is achieved.

The application discloses a cast iron enamel low-temperature ground glaze free of fluorinated salt and nitrate, a preparation method and application thereof, and belongs to the technical field of enamel. The ground glaze is prepared from quartz, zero-water borax, soda ash, potassium carbonate, barium carbonate, potassium feldspar, magnesium carbonate, copper oxide, manganese oxide, aluminum oxide and recycled ternary battery positive electrode material according to specific mass proportions. The preparation comprises raw material mixing, smelting at 1230±10 DEG C under a pure oxygen environment, and rapid cooling after wire drawing detection of the smelting state. The ground glaze completely avoids the use of fluorinated salt and nitrate, eliminates the problems of fluoride emission and environmental protection equipment blockage from the source, the fluorine content of the product is not detected, and the limit value requirement of the EU REACH regulation is met. Meanwhile, by introducing the recycled ternary battery material, the adhesion of the ground glaze is obviously enhanced, the synergistic effect between components is strengthened, other performances are promoted, and resource recycling and cost reduction are realized.

The invention relates to the field of glass products, and particularly discloses a light-weight glass bottle formula and a processing technology thereof. The formula of the light-weight glass bottle comprises 17.3%-19.1% of quartz sand, 4.6%-5.0% of sodium carbonate, 2.9%-3.2% of calcite, 5.0%-5.5% of potassium feldspar, 0.70%-0.85% of a clarifying agent, 0.23%-0.28% of chromium powder, 0.39%-0.47% of mirabilite, 0.009%-0.011% of carbon powder and 63.8%-70.5% of glass particles, wherein the glass particles are particles with the particle size of 5 mm to 20 mm, and the particles are prepared by smashing recycled colorless glass waste and removing impurities. The light-weight glass bottle formula provided by the invention has the advantage of synchronously ensuring the internal pressure strength and the mechanical impact strength of the glass bottle on the premise of realizing the light weight of the glass bottle.

The application discloses a steel plate enamel medium-temperature cobalt-nickel ground glaze free of fluorinated salt and nitrate, a preparation method and application thereof, and belongs to the technical field of enamel. The ground glaze is prepared according to specific mass proportions of quartz, zero-water borax, soda ash, potassium carbonate, calcium carbonate, potassium feldspar, copper oxide, iron oxide and recovered ternary battery positive material iron oxide. The preparation comprises raw material mixing, smelting at 1260±10 DEG C under a pure oxygen environment, and rapid cooling after wire drawing detection of a molten state. The ground glaze completely avoids the use of fluorinated salt and nitrate, eliminates fluorine emission and environmental protection equipment blockage problems from the source, the fluorine content of the product is not detected, and the product meets the limit value requirements of the EU REACH regulation. Meanwhile, by introducing the recovered ternary battery material, the adhesion of the ground glaze is obviously enhanced, the synergistic effect between components is strengthened, other performances are promoted, and resource recycling and cost reduction are realized.

The invention discloses fluoride-salt-free and nitrate-free high-temperature semitransparent glaze for steel plate enamel as well as a preparation method and application of the high-temperature semitransparent glaze, and belongs to the technical field of enamel. The semitransparent glaze is prepared from quartz, potassium feldspar, borax pentahydrate, sodium carbonate, titanium dioxide, sodium tripolyphosphate and zinc oxide according to a specific mass ratio. The preparation method comprises the steps of raw material mixing, high-temperature melting under a pure oxygen condition, wiredrawing detection, quenching and the like. The semitransparent glaze is completely free of fluoride salt and nitrate, the problems of fluoride emission and environmental protection equipment blockage are avoided from the source, the fluorine content of the product is not detected through detection, the product meets the requirements of European Union REACH regulations, meanwhile, the product has good porcelain surface, luster and firing adaptability, is suitable for a steel plate matrix, has the firing temperature of 840-880 DEG C and the firing time of 820-830 minutes, and is suitable for a steel plate. The method can be used for producing green and environment-friendly enamel products.

The invention discloses an aluminum oxide proppant and a preparation process thereof, and belongs to the technical field of ceramic fillers. The aluminum oxide proppant is prepared from the following raw materials in parts by mass: 55-72 parts of bauxite; 15 to 25 parts of calcined kaolin; 5 to 10 parts of potassium feldspar; 0.3 to 0.9 part of manganese dioxide; 0.1 to 0.4 part of titanium dioxide; 4-8 parts of a reinforcing agent; the reinforcing agent is formed by mixing co-fired zirconium-based premixed powder and carbonate. The preparation method comprises the following steps: performing conventional wet-process ball-milling to form slurry, performing spray granulation, rolling and forming, performing segmented firing and granulating. According to the scheme, a stable secondary phase is generated in situ between aluminum oxide frameworks in the sintering process, stable zirconium dispersion distribution is achieved, densification and grain boundary stabilization are achieved with low addition amount, the breakage rate under the specified pressure grade is reduced, the acid dissolution rate under the mixed acid condition is reduced, and the product granularity and sphericity are stable.